- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06508710
Early Effects of Ketamine vs Placebo With Venlafaxine in Severe Depression Patients (MOODBOOSTER)
September 1, 2025 updated by: Assistance Publique - Hôpitaux de Paris
Early Efficacy of Ketamine Compared With Placebo as Adjunctive Therapy With Venlafaxine in Severely Unipolar Depressed Inpatients
Unipolar major depressive disorder is the leading cause of disability worldwide.
The most commonly used treatments for major depressive episodes (MDE) are antidepressant medications.
However, they have limited efficacy and their onset of action is long, ranging between 2 to 6 weeks.
During this period, hospitalization can become necessary, especially for severe MDE.
It is crucial to improve the early effectiveness of treatments for these patients in order to alleviate their suffering, limit complications (suicidal risk), and reduce hospitalization durations (approximately 1000 euros per day).
The efficacy of intravenous ketamine has been demonstrated in pharmaco-resistant depression but remains to be proven in non-pharmaco-resistant severe MDE.
Additionally, PET imaging using [11C]UCB-J, which allows the in vivo study of synaptic density in the human brain, has shown significant decreases in synaptic density in unipolar patients with severe MDE.
Furthermore, a single ketamine infusion was found to enhance synaptogenesis
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
60
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Romain COLLE
- Phone Number: +33145212524
- Email: romain.colle@aphp.fr
Study Contact Backup
- Name: Emmanuelle CORRUBLE
- Phone Number: +33145212524
- Email: emmanuelle.corruble@aphp.fr
Study Locations
-
-
-
Le Kremlin-Bicêtre, France, 94250
- Not yet recruiting
- Bicetre Hospital - CRC
-
Contact:
- laurent becquemont
- Phone Number: 01.45.21.74.51
- Email: laurent.becquemont@aphp.fr
-
Principal Investigator:
- laurent becquemont
-
Orsay, France, 94401
- Active, not recruiting
- CEA/SHFJ
-
Étampes, France, 91152
- Not yet recruiting
- EPS Barthélémy Durand
-
Principal Investigator:
- christian trichard
-
Contact:
- christian trichard
- Phone Number: 01.69.46.86.66
- Email: Christian.Trichard@eps-etampes.fr
-
-
France
-
Le Kremlin-Bicêtre, France, France, 94270
- Recruiting
- Psychiatry unit
-
Contact:
- Romain COLLE, MD - PHD
- Phone Number: +33145212524
- Email: romain.colle@aphp.fr
-
Principal Investigator:
- Romain Colle, MD-PHD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Current MDE in the context of unipolar major depressive disorder (DSM-5 criteria), hospitalized (open care) for this episode, with a minimum HDRS score of 24 and in the context of an indication for the introduction of venlafaxine treatment.
- Patient aged between 18 and 65.
- Signed free and informed consent
- Membership of a social security scheme
- For women of childbearing age, effective contraception throughout study participation.* (*Combined hormonal contraception (containing estrogen and progestin) associated with ovulation inhibition: (oral, intravaginal, transdermal), Progestin-only hormonal contraception associated with ovulation inhibition: (oral, injectable, implantable), Intrauterine device (IUD), Hormonal intrauterine system (IUS), Bilateral tubal occlusion, Vasectomized partner, Sexual abstinence.)
Exclusion Criteria:
- Criteria relating to associated pathologies entailing particular risks: pharmaco-resistant CDE (failure of at least two properly conducted treatments with two different antidepressant treatment classes), CDE with psychotic features, psychotic disorder, bipolar disorder, current (<1 month) substance use disorder (excluding tobacco).
- Liver impairment (AST and/or ALT > 3 ULN, PAL and/or GGT and/or bilirubin > 2 ULN).
- Severe renal insufficiency (GFR <30ml/min with Cockcroft's formula).
- Bradycardia less than 55 beats per minute.
- Contraindication to ketamine : Hypersensitivity to active substance or excipients, comatose state, central nervous system (CNS) depression, Parkinson's disease, Lewy body dementia, progressive supranuclear palsy, known prolongation of the QTc interval (>450ms for men and >470ms for women) or congenital long QT syndrome, recent acute myocardial infarction, uncompensated heart failure, history of ventricular arrhythmias or torsades de pointes, uncorrected hypokalemia (K+ < 3. 5 mmol/l), epilepsy, uncontrolled hypertension, porphyria, history of stroke (CVA), intracranial hypertension.
- Contraindication to venlafaxine (hypersensitivity to venlafaxine or excipients, are hereditary conditions of fructose intolerance, glucose-galactose malabsorption syndrome, or sucrase-isomaltase deficiency, unstable hypertension, no indication for venlafaxine treatment in clinician's opinion due to ineffectiveness or tolerability of previous venlafaxine treatment).
- Current or previous treatment with venlafaxine or ketamine in the month prior to study inclusion.
- Need to maintain another antidepressant, MAOI, Millepertuis or benzodiazepines (cyamemazine is permitted). Or potential drug interactions in case of recent cessation of these treatments (based on the Summary of Product Characteristics (SmPC) of the respective medication(s) and their half-life).
- Any other unspecified reason (clinically significant illness or anomaly) which, in the opinion of the investigator or the sponsor, could compromise the safety of the participant.
- Pregnant or breast-feeding patients (women of childbearing potential must have a negative urine or blood test for human chorionic gonadotropin prior to trial entry). Planned pregnancy within three months of enrolment
- Adult under guardianship, curatorship or safeguard of justice
- Participating in other interventional research involving the human body or within the exclusion period following previous research involving the human body, if applicable.
- Social insurance
Additional criteria for inclusion in the ancillary study :
- Contraindications to [11C]UCB-J PET-MRI
- Absolute contraindications: Pacemaker or neurosensorial stimulator or implantable defibrillator; clip on a brain aneurysm or vascular malformation; intraocular or intracerebral ferromagnetic foreign body; prostheses or objects or mobile ferromagnetic metal fragments; cochlear implants; peripheral stimulator; neurosurgical ventriculoperitoneal shunt valves; automated injection device such as insulin pump, glucose sensor; permanent eyelid or lip makeup; non-removable piercing; claustrophobia.
- Relative contraindications: Dental prostheses and orthodontic material; certain intrauterine devices; certain tattoos; certain transdermal patch implants; certain metal implants far from the examined area. (The investigator physician and/or radiology operator will always conduct a precise questionnaire before the examination to ensure perfect safety and absence of MRI danger)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: Ketamine Group
The patient will receive 3 doses of intravenous ketamine (0,50mg/kg) in addition to the usual venlafaxine treatment
|
Patients randomized in this group will receive an intravenous ketamine in addition to venlafaxine for one week (on Days 1, 4 and 7)
Other Names:
|
|
Placebo Comparator: Placebo group
The patient will receive 3 doses of intravenous placebo (50mL of NaCl 9‰) in addition to the usual venlafaxine treatment
|
Patients randomized in this group will receive an intravenous placebo in addition to venlafaxine for one week (on Days 1, 4 and 7)
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
the early efficacy on depressive symptomatology
Time Frame: at day 0 and day 7
|
Evolution of the total score of the Hamilton Depression Rating Scale (HDRS 17 items: scale items are rated from 0 to 2 or from 0 to 4 and the score ranges from 0 to 52) after 7 days of treatment by venlafaxine The HDRS scale will be assessed by a senior psychiatrist or psychologist trained in administering the scales, following a psychiatric interview
|
at day 0 and day 7
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
The efficacy of ketamine on HDRS overall score
Time Frame: at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing changes in overall score obtained on the HDRS 17-items.
|
at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
|
The efficacy of Ketamine on HDRS response rate
Time Frame: at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing HDRS response rate (improvement of 50% or more in the overall HDRS score) between groups
|
at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
|
The efficacy of Ketamine on HDRS remission rate
Time Frame: To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing remission rate (HDRS 17 items ≤ 7) between groups
|
at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing remission rate (HDRS 17 items ≤ 7) between groups
|
|
The efficacy of ketamine on BDI overall score
Time Frame: at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing changes in overall score obtained on the short form of the Beck Depression Inventory (BDI)
|
at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
|
The efficacy of ketamine on CGI scale
Time Frame: at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
To compare the efficacy of ketamine as adjunctive therapy, after the early adjunctive treatment phase, and placebo, by assessing changes in Clinical Global Impression (CGI) scale
|
at day 1,4,7,14, 28 and 42 following the initiation of treatment by venlafaxine
|
|
Duration of hospitalization
Time Frame: 42 days
|
Evaluate whether ketamine as adjunctive therapy reduces the length of hospital stay, noting the number of days spent in hospital (including re-hospitalization) The discharge from hospitalization will be decided by the treatment-blinded clinician responsible for the patient
|
42 days
|
|
Reduction of suicidal ideation
Time Frame: at day 0 and day 7
|
Evaluate whether adjunctive ketamine reduces early suicidal ideation, by assessement of overall Columbia-Suicide Severity Rating Scale (C-SSRS) score, after 7 days of treatment by venlafaxine
|
at day 0 and day 7
|
|
Clinical improvement on HDRS overall score
Time Frame: at day 7, 14, 28 and 42
|
Evaluate whether ultra-early improvement (at D1 or D4 of treatment by venlafaxine) predicts clinical improvement at D7, D14, D28 and D42 by tracking changes in overall score obtained on the 17-item Hamilton Depression Rating Scale (HDRS)
|
at day 7, 14, 28 and 42
|
|
Clinical improvement on HDRS response rate
Time Frame: at day 7, 14, 28 and 42
|
Evaluate whether ultra-early improvement (at D1 or D4 of treatment by venlafaxine) predicts clinical improvement at D7, D14, D28 and D42 by tracking HDRS response rate (improvement of 50% or more in the overall HDRS score)
|
at day 7, 14, 28 and 42
|
|
Clinical improvement on HDRS remission rate
Time Frame: at day 7, 14, 28 and 42
|
Evaluate whether ultra-early improvement (at D1 or D4 of treatment by venlafaxine) predicts clinical improvement at D7, D14, D28 and D42 by tracking remission rate (HDRS 17 items ≤ 7)
|
at day 7, 14, 28 and 42
|
|
Clinical improvement on BDI overall score
Time Frame: at day 7, 14, 28 and 42
|
Evaluate whether ultra-early improvement (at D1 or D4 of treatment by venlafaxine) predicts clinical improvement at D7, D14, D28 and D42 by tracking changes in overall score obtained on the short form of the Beck Depression Inventory (BDI)
|
at day 7, 14, 28 and 42
|
|
Clinical improvement on CGI scale
Time Frame: at day 7, 14, 28 and 42
|
Evaluate whether ultra-early improvement (at D1 or D4 of treatment by venlafaxine) predicts clinical improvement at D7, D14, D28 and D42 by tracking changes in Clinical Global Impression (CGI) scale
|
at day 7, 14, 28 and 42
|
|
Tolerance on blood pressure
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes post-infusion of treatment or placebo on blood pressure
|
Day 1, 4, 7
|
|
Tolerance on heart rate
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes after infusion of treatment or placebo on heart rate.
|
Day 1, 4, 7
|
|
Tolerance on respiratory rate
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes after infusion of treatment or placebo on respiratory rate
|
Day 1, 4, 7
|
|
Tolerance on nausea and vomiting
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes after infusion of treatment or placebo on nausea/vomiting
|
Day 1, 4, 7
|
|
Tolerance on dissociation
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes after infusion of treatment or placebo on dissociation
|
Day 1, 4, 7
|
|
Tolerance on headaches
Time Frame: Day 1, 4, 7
|
Tolerance will be assessed according to CTCAE grade (version 5.0), with special monitoring of the effects of ketamine during and up to 40 minutes after infusion of treatment or placebo on headaches
|
Day 1, 4, 7
|
|
The consumption of anxiolytic treatments
Time Frame: During all the study
|
cumulative consumption in mg of cyamemazine will be recorded over the entire study period
|
During all the study
|
|
Biomarkers
Time Frame: Day 1 and 14
|
Identify biomarkers predictive or associated with the efficacy of venlafaxine associated with ketamine
|
Day 1 and 14
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Synaptic density variation in the whole brain
Time Frame: Day 0 and 14
|
Within-subject variation in synaptic density between day 0 and day 14 following treatment initiation of venlafaxine, estimated by measuring the rate of [11C]UCB-J binding to SV2A proteins by PET-MRI in the whole brain
|
Day 0 and 14
|
|
synaptic density variation in the cingulate cortex
Time Frame: Day 0 and 14
|
Within-subject variation in synaptic density between day 0 and day 14 following treatment initiation of venlafaxine, estimated by measuring the rate of [11C]UCB-J binding to SV2A proteins by PET-MRI in the cingulate cortex
|
Day 0 and 14
|
|
synaptic density variation in the prefrontal cortex
Time Frame: Day 0 and 14
|
Within-subject variation in synaptic density between day 0 and day 14 following treatment initiation of venlafaxine, estimated by measuring the rate of [11C]UCB-J binding to SV2A proteins by PET-MRI in the prefrontal cortex
|
Day 0 and 14
|
|
synaptic density variation in the hippocampus
Time Frame: Day 0 and 14
|
Within-subject variation in synaptic density between day 0 and day 14 following treatment initiation of venlafaxine, estimated by measuring the rate of [11C]UCB-J binding to SV2A proteins by PET-MRI in the hippocampus
|
Day 0 and 14
|
|
Relationship between ketamine efficacy and synaptogenesis
Time Frame: Day 0 and 14
|
Correlation between changes in the HDRS scale and within-subject variation in synaptic density between day 0 and day 14 following treatment initiation of venlafaxine.
|
Day 0 and 14
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Romain COLLE, Service Hospitalo-Universitaire de Psychiatrie - Hôpital Bicêtre
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 20, 2024
Primary Completion (Estimated)
March 1, 2026
Study Completion (Estimated)
April 1, 2026
Study Registration Dates
First Submitted
July 15, 2024
First Submitted That Met QC Criteria
July 15, 2024
First Posted (Actual)
July 18, 2024
Study Record Updates
Last Update Posted (Estimated)
September 3, 2025
Last Update Submitted That Met QC Criteria
September 1, 2025
Last Verified
December 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- APHP220668
- 2023-506597-12-00 (Ctis)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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